Observable.Finally<TSource> Method

Invokes a specified action after source observable sequence terminates normally or by an exception.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

public static IObservable<TSource> Finally<TSource>(
	this IObservable<TSource> source,
	Action finallyAction

Type Parameters


The type of source.


Type: System.IObservable<TSource>
The source sequence.
Type: System.Action
Action to invoke after the source observable sequence terminates.

Return Value

Type: System.IObservable<TSource>
Source sequence with the action-invoking termination behavior applied.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.